This study compares the circularity error of aluminum alloy 6063 (Al6063) metal matrix composites (MMCs) that have new silicon carbide (SiC) and aluminum oxide (Al₂O₃) reinforcing materials. The SiC and Al₂O₃ reinforcement for the hybrid MMC was created by stir casting at 720 °C and 500 revolutions per min to achieve uniform reinforcement distribution in the Al6063 matrix materials. There are two groups (experimental 1 and control group 2). Each group had 20 typically consisting of reinforcement and matrix materials. Al6063 was employed as the matrix substance. In this investigation, reinforcement materials including SiC, Al₂O₃ using stir casting AWJD. The statistical analysis was carried out using the statistical software SPSS, employing experimental specimens. The sample size is determined using p = 0.025 per set, and the overall sample size is 40. The G power for this approach is 80%. The Al6063 alloy has a higher circularity than the Al6063/5% SiC/5% Al₂O₃ composite, which also contains 5% volume-fractions of novel SiC and Al₂O₃. The difference between Al6063 alloy and Al6063/5% SiC/5% Al₂O₃ is statistically significant. With a p value of 0.000 (p < 0.05), these findings demonstrated a statistically significant difference between the two groups. Statistics show that the observations on Al6063/5% SiC/5% Al₂O₃ are substantial. Within the constraints of this investigation, Al6063/5% SiC/5% Al₂O₃ has a lower circularity and appears to be much higher than Al6063 alone.

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